It was the creation, not of government, but of a loose affiliation of auto clubs in Oregon, Washington and British Columbia. The group chose an official north-south route and placed signs along the way identifying it as the Pacific Highway.

Anarchism's been tried before; in 1917 Russia it was crushed by the Bolesheviks and in 1930s Spain it was dog-piled by everybody. Today there is an infrastructure is place with crypto block-chains that enable consensus without trust.

All politix is local. Here is a pothole in the lane in my neighborhood. There is a 5mph speed limit, so it doesn't take much. Some Anonymous Coward contributed the paver block. I dug it out to level it with the pavement and added the crushed rock. That was sluiced out of the muck that accumulates under a 40ft fir tree (at about 1/2" per year).

Edit: there's a 2 minute video on Youtube from one of my favorite commentators, Sargon of Akkad mocking the Portland pavement crew.

I won't link it because language, but you can seek it out: "Anarchists Don't Understand Roads — The Thinkery "